\begin{table}
\centering
\caption{\label{tab: pasture productivity fit}Correlation between stocking rates and pasture productivity index.}
\centering
\begin{tabular}[t]{lcccc}
\toprule
\multicolumn{1}{c}{ } & \multicolumn{4}{c}{Dependent variable: Cattle head/ha} \\
\cmidrule(l{3pt}r{3pt}){2-5}
  & (1) & (2) & (3) & (4)\\
\midrule
intercept & 0.570*** & 0.660*** & 0.656*** & 0.599***\\
 & (0.049) & (0.062) & (0.085) & (0.082)\\
pasture yield (index) & 0.766*** & 0.888*** & 0.809*** & 0.885***\\
 & (0.067) & (0.064) & (0.062) & (0.061)\\
maize yield (t/ha) &  & -0.033*** &  & -0.044***\\
 &  & (0.009) &  & (0.011)\\
soybean yield  (t/ha) &  &  & -0.051+ & 0.055\\
 &  &  & (0.028) & (0.033)\\
\midrule
Num.Obs. & 5265 & 5265 & 5265 & 5265\\
R2 & 0.151 & 0.168 & 0.154 & 0.170\\
\bottomrule
\end{tabular}
\end{table}
